JP2005506244A - Wheelbarrow - Google Patents
Wheelbarrow Download PDFInfo
- Publication number
- JP2005506244A JP2005506244A JP2003537976A JP2003537976A JP2005506244A JP 2005506244 A JP2005506244 A JP 2005506244A JP 2003537976 A JP2003537976 A JP 2003537976A JP 2003537976 A JP2003537976 A JP 2003537976A JP 2005506244 A JP2005506244 A JP 2005506244A
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- Prior art keywords
- support rod
- main support
- wheelbarrow
- fixed
- seat
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- 239000000725 suspension Substances 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 208000034819 Mobility Limitation Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B9/00—Accessories or details specially adapted for children's carriages or perambulators
- B62B9/26—Securing devices for bags or toys ; Arrangements of racks, bins, trays or other devices for transporting articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B7/00—Carriages for children; Perambulators, e.g. dolls' perambulators
- B62B7/04—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor
- B62B7/14—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor with detachable or rotatably-mounted body
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B1/00—Hand carts having only one axis carrying one or more transport wheels; Equipment therefor
- B62B1/002—Hand carts having only one axis carrying one or more transport wheels; Equipment therefor convertible from a one-axled vehicle to a two-axled vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
- B62B3/02—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving parts being adjustable, collapsible, attachable, detachable or convertible
- B62B3/027—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving parts being adjustable, collapsible, attachable, detachable or convertible collapsible shopping trolleys
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B5/00—Accessories or details specially adapted for hand carts
- B62B5/08—Children's seats ; Seats or supports for other persons
- B62B5/082—Children's seats
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B7/00—Carriages for children; Perambulators, e.g. dolls' perambulators
- B62B7/02—Carriages for children; Perambulators, e.g. dolls' perambulators having only a single wheel axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B7/00—Carriages for children; Perambulators, e.g. dolls' perambulators
- B62B7/04—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor
- B62B7/06—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable
- B62B7/08—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable in the direction of, or at right angles to, the wheel axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B7/00—Carriages for children; Perambulators, e.g. dolls' perambulators
- B62B7/04—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor
- B62B7/12—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor convertible, e.g. into children's furniture or toy
- B62B7/123—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor convertible, e.g. into children's furniture or toy from seat to bed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B5/00—Accessories or details specially adapted for hand carts
- B62B5/06—Hand moving equipment, e.g. handle bars
- B62B5/064—Hand moving equipment, e.g. handle bars adaptable for different users, e.g. by means of pivoting elements
- B62B5/065—Hand moving equipment, e.g. handle bars adaptable for different users, e.g. by means of pivoting elements by means of telescopic elements
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Handcart (AREA)
- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
- Suspension Of Electric Lines Or Cables (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
- Sampling And Sample Adjustment (AREA)
- Moving Of Heads (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
- Dry Shavers And Clippers (AREA)
Abstract
多くの可能な用途およびバリエーションを有しかつ搬送および保管のため容易に折畳むことができる軽量かつ簡単な構造の手押し車を提供することにある。ホイール(10、11)および少なくとも1つのハンドル(5)を備えたフレーム(1)を有する手押し車において、フレームは、上端部にハンドルが設けられかつ下端部に少なくとも1つのホイール(11)が設けられた1つの主支持ロッド(2)と、1つの副支持ロッド(7)とを有し、該副支持ロッドの上端部は、主支持ロッドの両外端部の間で該主支持ロッドに固定され、副支持ロッドの下端部には少なくとも1つのホイール(10)が設けられ、ホイール(11)は、第一クロスピース(4)を介して主支持ロッドに固定されおよび/またはホイール(10)は第二クロスピース(9)を介して副支持ロッドに固定されていることを特徴とする手押し車。It is to provide a light and simple wheelbarrow that has many possible uses and variations and can be easily folded for transport and storage. In a wheelbarrow having a frame (1) with wheels (10, 11) and at least one handle (5), the frame is provided with a handle at the upper end and at least one wheel (11) at the lower end. One main support rod (2) and one sub support rod (7), and the upper end of the sub support rod is connected to the main support rod between the outer ends of the main support rod. At least one wheel (10) is provided at the lower end of the secondary support rod, and the wheel (11) is fixed to the main support rod via the first crosspiece (4) and / or the wheel (10 ) Is fixed to the sub-support rod via the second crosspiece (9).
Description
【技術分野】
【0001】
本発明は手押し車、好ましくは、チャイルド用および/またはショッピング用の手押し車として使用できる折畳み可能な手押し車に関する。
【背景技術】
【0002】
ショッピング物品等のラゲッジを収容できる多くの形式のチャイルド用手押し車は、従来技術から知られている。通常、物品またはラゲッジホルダは、シート(座)の背もたれの後またはシートの下に配置され、硬質材料または軟質材料のバスケットまたはネットで構成されている。このような収容バスケットに付随する問題は、手押し車を折畳む前に、しばしば、物品またはラゲッジを手押し車から取出さなければならないことである。これは、手押し車をバス、電車または列車等の公共交通車両に載せるとき、また手押し車を乗用車のトランク内に入れなくてはならないときに非実用的である。また、これらの手押し車はショッピング用手押し車またはラゲッジ用手押し車として殆ど実用的ではない。なぜならば、殆どの手押し車は、シートを含めて完全に開く必要があり、従って、従来の簡単な2輪手押し車ができるのと同程度の容易さで操縦および取扱いができないからである。
【0003】
特許文献(下記特許文献1参照)には、この問題を、ラゲッジホルダがそのままの状態に維持される構成の折畳み手押し車により解決することを試みている。この解決法による問題は、或る寸法および重量をもつシートおよび幾つかのロッド等の多数の全ての手押し車部品が、常時手押し車に固定されていることである。このため、手押し車を有効な短縮サイズに折畳む可能性が低くなり、かつ手押し車をショッピング用手押し車として使用するに過ぎない場合でも全ての部品を持運ばなくてはならず、非実用的である。
【0004】
また、ラゲッジホルダは手押し車の残部に永久的に取付けられている。従って、例えば搬送中に直立させておく必要がある物品または他の物品により押潰されてはならない物品の必要なケアを行なうことが困難である。なぜならば、上記搬送モードで手押し車を必ずしも直立させることができないからである。
【0005】
従って、チャイルド用手押し車および/またはショッピング用手押し車の両方に使用できる手押し車であって、組立てまたは分解により、必要なユニットを簡単に用途に適合させることができる簡単かつ軽量な構造を有する手押し車が要望されている。
【特許文献1】
米国特許第5,290,049号
【発明の開示】
【発明が解決しようとする課題】
【0006】
本発明の目的は、前述の問題を解決できかつ従来の解決法が有する欠点をもたない手押し車を提供することにある。また本発明の他の目的は、、軽量かつ簡単な構造をもつ手押し車であって、多くの可能な用途およびバリエーションの可能性を有しかつ搬送のためおよび単一または幾つかの部品として保管すべく容易に折畳むことができる手押し車を提供することにある。
【課題を解決するための手段】
【0007】
本発明の目的は、ホイールおよび少なくとも1つのハンドルを備えたフレームを有する特許請求の範囲に記載の手押し車において、フレームは、
上端部にハンドルが設けられかつ下端部に少なくとも1つのホイールが設けられた1つの主支持ロッドと、
1つの副支持ロッドとを有し、該副支持ロッドの上端部は、主支持ロッドの両外端部の間で該主支持ロッドに固定され、副支持ロッドの下端部には少なくとも1つのホイールが設けられ、
ホイールは、第一クロスピースを介して主支持ロッドに固定されおよび/またはホイールは第二クロスピースを介して副支持ロッドに固定されていることを特徴とする手押し車により達成される。
【0008】
手押し車には、ラゲッジホルダ、固定ブラケットおよび/またはシートのような1つまたは幾つかの着脱可能かつ高さ調節可能なモジュールを設けるのが有利である。
【発明を実施するための最良の形態】
【0009】
本発明による手押し車はフレーム1を有し、該フレーム1上には、図1に示すように、ラゲッジホルダ20、固定ブラケット30およびチャイルド用シート40のような種々のモジュールを固定できる。
【0010】
図2に示すように、手押し車のフレーム1は、プラットホームの形態の第一クロスピース4を備えた主支持ロッド2を有し、該ロッド2の下端部にはホイール11が、上端部にはハンドル5が設けられている。フレーム1は更に副支持ロッド7を有し、該ロッド7の上端部は、主支持ロッド2の上下端部の間で、ジョイント8を介して主支持ロッド2に固定される。副支持ロッド7の下端部には、アーチ状車軸の形態をなす第二クロスピース9を有している。フレーム1は、例えばアルミニウムのような軽量かつ強力な材料で作るのが好ましい。
【0011】
主支持ロッド2には、上記のような種々のモジュールの固定および高さ調節を行なう摺動トラック12を設けるのが好ましい。
【0012】
プラットホーム4は、スタンドとして使用してもよいし、フットレスト(足載せ台)として機能させることもできる。この実施例では、プラットホーム4は半円形であり、その2つのコーナの下面には、好ましくは旋回可能なサスペンションを備えたホイール11が設けられている。プラットホーム4は、該プラットホーム4の平面と主支持ロッド2とのなす角度が90°より大きくなるようにして、半円形弧の対称的中間部において主支持ロッド2の端部に取付けられている。或いは、プラットホーム4には、該プラットホームに関連トラックすなわち隆起部分を設け、弧の対称平面の円の部分にホイールを設けることができる。プラットホーム4は台形または三角形のような他の形状にすることができ、また、プラットホーム4には滑り止めパターンまたはコーティングを設けるべきである。或いは、プラットホームは主支持ロッド2またはその摺動トラック12に対して着脱可能に取付けるか、ホイール11が取付けられる車軸のような他のクロスピース上に載置することもできる。
【0013】
ハンドル5は、入れ子式延長部3を備えた主支持ロッド2に固定される。この構成により、ハンドルの高さが使用者の伸長に従って調節されかつロックスリーブ13により適当な高さにロックされる。ロックスリーブ13は緊締ブシュで構成できる。手押し車を保管しまたは搬送するときは、図3に示すように、延長部3の全部を主支持ロッド2内に押下げることができる。この実施例では、ハンドル5は、一端が弧状クロスピースの中間に固定されたロッドを有し、該ロッドはクロスピースの平面内にある。また、ロッドの自由端は、延長部3に対してほぼ垂直になるようにして該延長部3に固定される。また、ハンドル5には、クロスピースの両端部とロッドの自由端との間、またはクロスピースの両端部の間にストラップ6を設けることができる。このストラップ6は図10に示されており、人の肩に掛けて手押し車を持運ぶのに使用できる。これにより、手押し車を階段のような困難な場所で持運ぶことが可能になり、かつ人の他方の手を自由にするので、例えば小さい子供を同時に抱きかかえることができる。手押し車の寸法を小さくするため、ハンドル5は延長部3に対して着脱可能または傾斜可能に取付けることができる。ハンドルは、例えばプラスチック、アルミニウムまたはスチールで作ることができ、また優れたグリップ性および絶縁性が得られるように把持面をコーティングすべきである。ハンドルは、広範囲の種々の設計が可能である。
【0014】
副支持ロッド7は、図2に示す開位置から、図3に示すように、主支持ロッド2に沿って折畳むことができる。なぜならば、ジョイント8は、主支持ロッド2およびプラットホーム4を通る対称平面内で副支持ロッド7が回転することを可能にするからである。ジョイント8は、例えば調節ねじにより、副支持ロッド7をこれらの2つの極端位置にロックできる。また、ロックブシュ13により操作される解放装置(図示せず)の補助により、ジョイント8をそのロック位置から解放するように構成できる。所望ならば、副支持ロッド7に弧状車軸9を設け、副支持ロッド7が開かれている状態で使用者が普通に歩くときに、使用者の足が車軸9に当らないように構成できる。車軸9のサイズおよび弧状形状は、副支持ロッド7が主支持ロッド2に近接して折畳まれるときに、車軸9がプラットホーム4の下で該プラットホーム4を囲むように定められる。車軸9の両尖端部にはホイール10が取付けられており、前記折畳み位置で、ホイール10がプラットホーム4のホイール10にほぼ整合するようになっている。
【0015】
別の構成として、副支持ロッド7および車軸9は、逆Y形状、逆V形状または2つの別々の脚として構成することもできる。主支持ロッド2への取付けはジョイント8を介して行なうこともできるし、或いは同じ機能を満たすようにして主支持ロッド2に直接取付けることもできる。
【0016】
車軸9に取付けられるホイール10は、ばね懸架構造にするのが好ましい。或いは、懸架は、車軸9を副支持ロッド7に固定する懸架、またはプラットホーム4を主支持ロッド2に固定する懸架により達成できる。安全の観点から、ホイール10はロック可能なものとするか、ブレーキを設けることもできる。ロックは、ホイールに対するばね付勢型ロッドまたはブレーキブロック、または普通のボルトロックで構成できる。ロック機構は、副支持ロッド7と車軸9との間の固定点に配置される中央ペダル(図示せず)により解除されるように構成できる。全てのホイール10、11は、軽量でかつ場所に応じて調節されたサイズにするのが好ましい。ホイール10、11は、壊れたホイールを容易に交換でき、種々の条件下で手押し車を使用すべく調節でき(例えば、凹凸路面用途では比較的幅広のホイールにする)、または手押し車の外観を変えるために交換できる。
【0017】
他の実施例では、クロスピースを用いることなく、1つのホイール10、11を、主支持ロッド2、副支持ロッド7の下部、またはこれらの延長部に直接取付けて、主支持ロッド2または副支持ロッド7がホイールフォークとして機能するように構成できる。或いは、2つのホイール10、11は、主支持ロッド2または副支持ロッド7の下部の両側に直接平行に取付けて、ほぼ同じ機能をもつように構成できる。このように中央に配置されるホイールに、例えばブレーキブロックまたはディスクブレーキ等のブレーキを設けることができる。
【0018】
寒冷地で使用するため、一方または両方のホイール対を、雪路または氷結路上で使用される小型スキーまたはランナに交換できるように構成できる。
【0019】
前述のモジュールは、主支持ロッド2または摺動トラック12に固定できるように、主支持ロッド2と協働する。相互ロック部品には、モジュールを例えば主支持ロッドの回りで摩擦力によりクランプしかつ所定位置に保持するクランプ手段、またはモジュールを異なる高さ位置にロックするねじ手段のような固定部品またはクリックロックが設けられる。或いは、孔/タップシステムを使用して、主支持ロッド2上の種々の高さに固定することができる。
【0020】
図4には、主支持ロッド2上にスナップ装着されかつプラットホーム4上に載置された状態のラゲッジホルダ20が示されている。ラゲッジホルダ20は、サイズ、材料品質、色等が異なる種々の実施例で構成できる。この実施例では、ラゲッジホルダ20は、好ましくはプラスチックで作られた剛性または半剛性支持背部およびベース21を有している。前部は蓋22からなり、該蓋22はジッパにより側部23に対して閉じられる。蓋22および側部23は、織物または軟質プラスチックで作ることができる。ラゲッジホルダ20の頂部にはハンドル24が固定されている。このハンドル24は、ラゲッジ用手押し車全体を、またはラゲッジホルダ20がフレーム1に取付けられていないときはラゲッジホルダのみを持上げるためのものである。或いは、ラゲッジホルダ20に、人の肩に掛けまたは背中に背負って運ぶための肩ストラップ(単一または複数)を設けることもできる。
【0021】
この実施例では、手押し車は、人が、その後の手押し車を引張ることができる簡単で実用的なショッピング用手押し車として使用できる。ハンドル5は所望長さに調節できるが、サイズを小さくするには下方位置にしておくのが好ましい。例えばゴルフバッグのような種々の設計およびサイズをもつ他の形式のラゲッジホルダ20を同様にして固定できる。或いは、互いに重ねてより多くのラゲッジホルダを固定でき(図示せず)、または主支持ロッドに関して反対側にラゲッジホルダを固定することもできる(図12参照)。
【0022】
図5に示すように、チャイルド用シート40のような幾つかのモジュールを固定するための固定ブラケット30を使用できる。固定ブラケット30はアーマチャ31を有し、該アーマチャ31は、主支持ロッド2上で摺動トラック12と協働して、モジュールの高さ調節を可能にする。固定ブラケット30の回転可能な固定具32の補助により、モジュールは回転することができる。
【0023】
図6には、チャイルド用シート40が固定ブラケット30に取付けられた状態が示されている。この図面では、シート40は、使用者がベビーを上から見つめることができる態様で主支持ロッド2に取付けられている。シート40はU型フレーム41を有し、該フレーム41は、上方の丸い部分に剛性のある頭部保護領域42を備え、フレーム41の開部分に剛性のある座部44を備え、かつこれらの間に張設された柔軟な背もたれ43を備えている。シートには、U型フレーム41の入れ子式延長部としてフットレスト45を設けるのが好ましい。固定ブラケット30の補助により、シート40は図7に示すようにスリーピング位置に回転でき、或いは保管または搬送中には、図8に示すように主支持ロッド2の方向に折畳むことができる。これらの全ての作動時に、ラゲッジホルダ20は、図6〜図8に示すように、主支持ロッド2に固定されかつ容易に操作できる。シート40には、慣用のベビーハーネスを設けることができる。チャイルド用シート40は、チャイルド・カーシートとして構成することもできる。
【0024】
シート40はまた、図9に示すように、主支持ロッド2から離れるように旋回された固定ブラケット30に固定することもでき、また雨/日除けスクリーン46を設けることもできる。この方向は、周囲の風景を見たがる小さい子供に適しており、図10から明らかなように、主支持ロッド2があるため、この位置のシート40はスリーピング位置へと下に折畳むことはできない。保管または搬送中に手押し車の寸法を小さくするため、図11に示すように、固定ブラケット30およびシート40はラゲッジホルダまで下方に押下げることができ、シート40はできる限り主支持ロッド2に近付けて折畳むことができ、延長部3は主支持ロッド2内に押下げることができ、かつ副支持ロッド7は主支持ロッド2に近付けて折畳むことができる。これにより、容易に搬送できる比較的短くかつ平らな手押し車が得られ、この状態の手押し車でも、依然として両方向にホイールで移動できる。
【0025】
図12に示すように、自分の足で少しだけ歩くことを望む年長の子供に使用する場合には、主支持ロッド2から旋回されたシート40を備えた固定ブラケット30は、プラットホーム4まで完全に押し下げられる。この実施例では、プラットホーム4はフットレストとして機能し、シート高さは子供に合わせて調節できる。ラゲッジホルダ20は主支持ロッド2の反対側にスナップ装着でき、この位置で操作される。
【0026】
図13に示す他の実施例では、シート40が、ラゲッジまたは物品の保管に使用するため、主支持ロッド2に取付けられており、またラゲッジホルダ20は取外されて、プラットホーム4上に年長の子供が立つことができるスペースを形成している。シート40または固定ブラケット30には、子供がプラットホーム4上に立っているときに掴まることができるハンドルを設けるか、このようなハンドルの1つまたは幾つかの固定手段を設けることができる(図示せず)。この実施例では、副支持ロッド7も一緒に折畳むか上方に折畳むことができ、この場合にはシート40を例えばベビーに使用できる。
【0027】
手押し車およびモジュールの寸法をできる限り小さくするためには、固定ブラケット30およびシート40をプラットホーム4まで押下げ、ラゲッジホルダ20を、主支持ロッド2の方向に向けられたシート40内に置き、シート40を主支持ロッド2にできる限り近付けて折畳む。更に、図14に示すように、ハンドル5を主支持ロッド2内に押下げ、かつ副支持ロッド7を主支持ロッド2に沿って折畳むと、手押し車をその最もコンパクトな形態にすることができる。
【0028】
上記手押し車およびその部品は、例えば、歩行が困難な人を支える手押し車として使用することもできる。この場合には、1つ以上のホイール10、11に、ハンドル5から操作できる慣用のブレーキ手段を設けるべきである。ラゲッジホルダ20は、主支持ロッド2の好ましい側に固定し、適当な高さに調節できる。別の構成として、主支持ロッド2には2つのラゲッジホルダ20を取付け、これらのラゲッジホルダ20は、例えばバスケットまたはネットのような他の形態にすることができる。或いは、成人用に設計された、より強力で簡単なシートを、使用者が座ったり休息ができるように、主支持ロッド2に直接または固定ブラケット30を介して取付けることができる。
【図面の簡単な説明】
【0029】
【図1】ラゲッジホルダ、固定ブラケットおよび雨/日除けカバーを備えた本発明の手押し車が拡大状態にあるところを示す側面図である。
【図2】図1の手押し車のフレームを示す斜視図である。
【図3】図2のフレームが折畳まれた状態にあるところを示す斜視図である。
【図4】図3のフレームにラゲッジホルダを取付けた状態を示す斜視図である。
【図5】図2のフレームに固定ブラケットを取付けた状態を示す斜視図である。
【図6】ラゲッジホルダ、固定ブラケットおよびシートが取付けられた図1の手押し車のシートがハンドルに対して座位置に旋回されている状態を示す斜視図である。
【図7】図6の手押し車のシートがスリーピング位置にあるところを示す斜視図である。
【図8】図6の手押し車が折畳まれた状態にあるところを示す斜視図である。
【図9】図1の手押し車を示す斜視図である。
【図10】図9の手押し車を後方から見た斜視図である。
【図11】図10の手押し車が折畳まれた状態を示す斜視図である。
【図12】図1の手押し車が他の形態にあるところを示す斜視図である。
【図13】図6の手押し車が他の形態にあるところを示す側面図である。
【図14】図6の手押し車が他の形態にあるところを示す斜視図である。【Technical field】
[0001]
The present invention relates to a wheelbarrow, preferably a foldable wheelbarrow which can be used as a child and / or shopping cart.
[Background]
[0002]
Many types of child wheelbarrows that can accommodate luggage, such as shopping items, are known from the prior art. Articles or luggage holders are usually placed after the seat back or under the seat and consist of a basket or net of hard or soft material. A problem associated with such storage baskets is that often articles or luggage must be removed from the wheelbarrow before folding the wheelbarrow. This is impractical when the wheelbarrow is placed on a public transport vehicle such as a bus, train or train, and when the wheelbarrow must be placed in the trunk of a passenger car. Moreover, these wheelbarrows are hardly practical as shopping carts or luggage carts. This is because most wheelbarrows need to be fully opened, including the seat, and therefore cannot be handled and handled as easily as a conventional simple two-wheel wheelbarrow.
[0003]
Patent Document (see Patent Document 1 below) attempts to solve this problem by a folding handcart having a structure in which the luggage holder is maintained as it is. The problem with this solution is that a large number of all wheelbarrow parts such as seats and some rods with a certain size and weight are always fixed to the wheelbarrow. This reduces the possibility of folding the wheelbarrow into an effective shortened size, and it is impractical to carry all parts even if the wheelbarrow is only used as a shopping wheelbarrow. It is.
[0004]
The luggage holder is permanently attached to the remainder of the handcart. Thus, for example, it is difficult to provide the necessary care of articles that need to be kept upright during transport or that must not be crushed by other articles. This is because the wheelbarrow cannot always stand upright in the transfer mode.
[0005]
Therefore, a wheelbarrow that can be used for both a child wheelbarrow and / or a shopping wheelbarrow, and having a simple and lightweight structure that can easily adapt a required unit to an application by assembling or disassembling. A car is desired.
[Patent Document 1]
US Pat. No. 5,290,049 DISCLOSURE OF THE INVENTION
[Problems to be solved by the invention]
[0006]
It is an object of the present invention to provide a handcart that can solve the above-mentioned problems and does not have the disadvantages of conventional solutions. Another object of the present invention is a wheelbarrow with a light weight and simple structure, which has many possible uses and variations and is stored for transport and as a single or several parts. The object is to provide a wheelbarrow that can be folded as easily as possible.
[Means for Solving the Problems]
[0007]
The object of the present invention is to provide a wheelbarrow according to the claim having a frame with a wheel and at least one handle, the frame comprising:
One main support rod provided with a handle at the upper end and at least one wheel at the lower end;
And an upper end portion of the sub support rod is fixed to the main support rod between both outer end portions of the main support rod, and at least one wheel is provided at the lower end portion of the sub support rod. Is provided,
The wheel is achieved by a wheelbarrow characterized in that it is fixed to the main support rod via a first crosspiece and / or the wheel is fixed to a secondary support rod via a second crosspiece.
[0008]
The wheelbarrow is advantageously provided with one or several removable and height-adjustable modules such as luggage holders, fixing brackets and / or seats.
BEST MODE FOR CARRYING OUT THE INVENTION
[0009]
The handcart according to the present invention has a frame 1 on which various modules such as a luggage holder 20, a fixing bracket 30, and a child seat 40 can be fixed as shown in FIG.
[0010]
As shown in FIG. 2, the wheelbarrow frame 1 has a main support rod 2 with a first crosspiece 4 in the form of a platform, with a wheel 11 at the lower end of the rod 2 and at the upper end. A handle 5 is provided. The frame 1 further has a sub-support rod 7, and the upper end of the rod 7 is fixed to the main support rod 2 via the joint 8 between the upper and lower ends of the main support rod 2. At the lower end of the auxiliary support rod 7, there is a second crosspiece 9 in the form of an arched axle. The frame 1 is preferably made of a light and strong material such as aluminum.
[0011]
The main support rod 2 is preferably provided with a sliding track 12 for fixing and adjusting the height of various modules as described above.
[0012]
The platform 4 may be used as a stand or may function as a footrest (footrest). In this embodiment, the platform 4 is semicircular, and a wheel 11 with a preferably pivotable suspension is provided on the lower surface of the two corners. The platform 4 is attached to the end of the main support rod 2 at the symmetrical intermediate part of the semicircular arc so that the angle between the plane of the platform 4 and the main support rod 2 is greater than 90 °. Alternatively, the platform 4 can be provided with an associated track or raised portion on the platform and a wheel in a circular portion of the plane of symmetry of the arc. The platform 4 can have other shapes, such as trapezoidal or triangular, and the platform 4 should be provided with a non-slip pattern or coating. Alternatively, the platform can be detachably attached to the main support rod 2 or its sliding track 12 or rest on another crosspiece such as an axle to which the wheel 11 is attached.
[0013]
The handle 5 is fixed to the main support rod 2 with a telescopic extension 3. With this configuration, the height of the handle is adjusted according to the extension of the user and is locked at an appropriate height by the lock sleeve 13. The lock sleeve 13 can be composed of a tightening bush. When the handcart is stored or transported, the entire extension portion 3 can be pushed down into the main support rod 2 as shown in FIG. In this embodiment, the handle 5 has a rod fixed at one end in the middle of the arcuate cross piece, which is in the plane of the cross piece. The free end of the rod is fixed to the extension 3 so as to be substantially perpendicular to the extension 3. Further, the handle 5 can be provided with a strap 6 between both ends of the cross piece and the free end of the rod, or between both ends of the cross piece. This strap 6 is shown in FIG. 10 and can be used to carry a wheelbarrow over a person's shoulder. As a result, the wheelbarrow can be carried in a difficult place such as a staircase, and the other hand of the person is freed. For example, a small child can be held at the same time. In order to reduce the size of the wheelbarrow, the handle 5 can be detachably or tiltably attached to the extension 3. The handle can be made of plastic, aluminum or steel, for example, and the gripping surface should be coated to provide excellent grip and insulation. A wide variety of designs are possible for the handle.
[0014]
The auxiliary support rod 7 can be folded along the main support rod 2 from the open position shown in FIG. 2 as shown in FIG. This is because the joint 8 allows the secondary support rod 7 to rotate in a plane of symmetry passing through the main support rod 2 and the platform 4. The joint 8 can lock the secondary support rod 7 in these two extreme positions, for example by means of an adjusting screw. Further, the joint 8 can be released from its locked position with the aid of a release device (not shown) operated by the lock bush 13. If desired, the auxiliary support rod 7 may be provided with an arcuate axle 9 so that the user's foot does not hit the axle 9 when the user normally walks with the auxiliary support rod 7 open. The size and arcuate shape of the axle 9 is determined such that the axle 9 surrounds the platform 4 under the platform 4 when the secondary support rod 7 is folded close to the main support rod 2. Wheels 10 are attached to both end portions of the axle 9, and the wheel 10 is substantially aligned with the wheel 10 of the platform 4 at the folding position.
[0015]
Alternatively, the secondary support rod 7 and the axle 9 can be configured as an inverted Y shape, an inverted V shape, or two separate legs. The attachment to the main support rod 2 can be carried out via the joint 8 or directly to the main support rod 2 so as to satisfy the same function.
[0016]
The wheel 10 attached to the axle 9 is preferably a spring suspension structure. Alternatively, the suspension can be achieved by a suspension that fixes the axle 9 to the secondary support rod 7 or a suspension that fixes the platform 4 to the main support rod 2. From the viewpoint of safety, the wheel 10 can be locked or a brake can be provided. The lock can consist of a spring-loaded rod or brake block for the wheel, or a regular bolt lock. The lock mechanism can be configured to be released by a central pedal (not shown) disposed at a fixed point between the sub support rod 7 and the axle 9. All of the wheels 10, 11 are preferably lightweight and sized according to location. The wheels 10, 11 can be easily replaced with broken wheels and can be adjusted to use a wheelbarrow under a variety of conditions (for example, a relatively wide wheel for uneven road applications) or the appearance of a wheelbarrow Can be exchanged to change.
[0017]
In another embodiment, without using a crosspiece, one wheel 10, 11 is directly attached to the main support rod 2, the lower part of the sub support rod 7, or an extension thereof, so that the main support rod 2 or the sub support is supported. The rod 7 can be configured to function as a wheel fork. Alternatively, the two wheels 10 and 11 can be configured to have substantially the same function by being mounted directly parallel to both sides of the lower portion of the main support rod 2 or the sub support rod 7. A brake such as a brake block or a disc brake can be provided on the wheel arranged in the center in this way.
[0018]
For use in cold regions, one or both wheel pairs can be configured to be interchangeable with a small ski or runner used on snowy or icy roads.
[0019]
The aforementioned module cooperates with the main support rod 2 so that it can be fixed to the main support rod 2 or the sliding track 12. Interlocking parts include clamping means for clamping the module by frictional force around the main support rod and holding it in place, or locking parts such as screw means for locking the module in different height positions or click locks. Provided. Alternatively, a hole / tap system can be used to secure at various heights on the main support rod 2.
[0020]
FIG. 4 shows the luggage holder 20 snapped on the main support rod 2 and placed on the platform 4. The luggage holder 20 can be configured in various embodiments that differ in size, material quality, color, and the like. In this embodiment, the luggage holder 20 has a rigid or semi-rigid support back and base 21, preferably made of plastic. The front part comprises a lid 22, which is closed with respect to the side part 23 by a zipper. The lid 22 and the side part 23 can be made of woven fabric or soft plastic. A handle 24 is fixed to the top of the luggage holder 20. The handle 24 is for lifting the entire luggage wheelbarrow or only the luggage holder when the luggage holder 20 is not attached to the frame 1. Alternatively, the luggage holder 20 can be provided with a shoulder strap (single or multiple) for carrying on a person's shoulder or on his back.
[0021]
In this embodiment, the wheelbarrow can be used as a simple and practical shopping wheelbarrow that allows a person to pull a subsequent wheelbarrow. The handle 5 can be adjusted to a desired length, but it is preferable to keep the handle 5 at a lower position in order to reduce the size. Other types of luggage holders 20 of various designs and sizes, such as golf bags, can be similarly secured. Alternatively, more luggage holders can be secured over each other (not shown), or the luggage holders can be secured on the opposite side with respect to the main support rod (see FIG. 12).
[0022]
As shown in FIG. 5, a fixing bracket 30 for fixing several modules such as the child seat 40 can be used. The fixing bracket 30 has an armature 31 which cooperates with the sliding track 12 on the main support rod 2 to allow the height adjustment of the module. With the aid of a rotatable fixture 32 of the fixing bracket 30, the module can be rotated.
[0023]
FIG. 6 shows a state in which the child seat 40 is attached to the fixed bracket 30. In this drawing, the seat 40 is attached to the main support rod 2 in such a manner that the user can look at the baby from above. The seat 40 has a U-shaped frame 41, which has a rigid head protection area 42 in the upper round part, a rigid seat 44 in the open part of the frame 41, and these A flexible backrest 43 stretched between them is provided. The seat is preferably provided with a footrest 45 as a telescopic extension of the U-shaped frame 41. With the aid of the fixing bracket 30, the seat 40 can be rotated to the sleeping position as shown in FIG. 7, or can be folded in the direction of the main support rod 2 as shown in FIG. 8 during storage or transport. In all these operations, the luggage holder 20 is fixed to the main support rod 2 and can be easily operated, as shown in FIGS. The seat 40 may be provided with a conventional baby harness. The child seat 40 can also be configured as a child car seat.
[0024]
The seat 40 can also be secured to a stationary bracket 30 that is pivoted away from the main support rod 2 as shown in FIG. 9, and a rain / awning screen 46 can be provided. This direction is suitable for small children who want to see the surrounding landscape and, as is clear from FIG. 10, the main support rod 2 makes the seat 40 in this position fold down to the sleeping position. I can't. In order to reduce the size of the wheelbarrow during storage or transport, the fixed bracket 30 and the seat 40 can be pushed down to the luggage holder as shown in FIG. 11, and the seat 40 is as close to the main support rod 2 as possible. The extension 3 can be pushed down into the main support rod 2 and the auxiliary support rod 7 can be folded close to the main support rod 2. As a result, a relatively short and flat wheelbarrow that can be easily conveyed is obtained, and even a wheelbarrow in this state can still be moved in both directions by wheels.
[0025]
As shown in FIG. 12, when used for older children who want to walk a little with their feet, the fixed bracket 30 with the seat 40 pivoted from the main support rod 2 is completely up to the platform 4. Pushed down. In this embodiment, the platform 4 functions as a footrest and the seat height can be adjusted to suit the child. The luggage holder 20 can be snapped onto the opposite side of the main support rod 2 and operated at this position.
[0026]
In another embodiment shown in FIG. 13, a seat 40 is attached to the main support rod 2 for use in luggage or article storage, and the luggage holder 20 is removed and aged on the platform 4. Forms a space where children can stand. The seat 40 or the fixing bracket 30 can be provided with a handle that can be gripped when the child is standing on the platform 4, or with one or several fixing means of such a handle (see FIG. Not shown). In this embodiment, the secondary support rod 7 can also be folded together or folded upward, in which case the seat 40 can be used, for example, for a baby.
[0027]
In order to reduce the size of the wheelbarrow and the module as much as possible, the fixing bracket 30 and the seat 40 are pushed down to the platform 4, the luggage holder 20 is placed in the seat 40 directed in the direction of the main support rod 2, Fold 40 as close to the main support rod 2 as possible. Further, as shown in FIG. 14, when the handle 5 is pushed down into the main support rod 2 and the sub support rod 7 is folded along the main support rod 2, the handcart can be in its most compact form. it can.
[0028]
The wheelbarrow and its parts can also be used, for example, as a wheelbarrow that supports people who have difficulty walking. In this case, one or more wheels 10, 11 should be provided with conventional braking means that can be operated from the handle 5. The luggage holder 20 is fixed to a preferred side of the main support rod 2 and can be adjusted to an appropriate height. Alternatively, two luggage holders 20 are attached to the main support rod 2 and these luggage holders 20 can take other forms, such as baskets or nets. Alternatively, a stronger and simpler seat designed for adults can be attached to the main support rod 2 directly or via a fixed bracket 30 so that the user can sit and rest.
[Brief description of the drawings]
[0029]
FIG. 1 is a side view showing a state in which a handcart of the present invention having a luggage holder, a fixing bracket and a rain / awning cover is in an enlarged state.
2 is a perspective view showing a frame of the handcart of FIG. 1. FIG.
FIG. 3 is a perspective view showing a state where the frame of FIG. 2 is in a folded state;
4 is a perspective view showing a state in which a luggage holder is attached to the frame of FIG. 3. FIG.
5 is a perspective view showing a state in which a fixing bracket is attached to the frame of FIG. 2. FIG.
6 is a perspective view showing a state where the seat of the wheelbarrow in FIG. 1 to which the luggage holder, the fixing bracket, and the seat are attached is turned to the seat position with respect to the handle. FIG.
7 is a perspective view showing a state where the seat of the wheelbarrow in FIG. 6 is in a sleeping position. FIG.
FIG. 8 is a perspective view showing the handcart of FIG. 6 in a folded state.
FIG. 9 is a perspective view showing the handcart of FIG. 1;
FIG. 10 is a perspective view of the handcart of FIG. 9 as viewed from the rear.
11 is a perspective view showing a state in which the handcart of FIG. 10 is folded.
FIG. 12 is a perspective view showing the handcart of FIG. 1 in another form.
FIG. 13 is a side view showing the handcart of FIG. 6 in another form.
14 is a perspective view showing the handcart of FIG. 6 in another form. FIG.
Claims (21)
上端部にハンドル(5)が設けられかつ下端部に少なくとも1つのホイール(11)が設けられた1つの主支持ロッド(2)と、
1つの副支持ロッド(7)とを有し、該副支持ロッド(7)の上端部は、主支持ロッド(2)の両外端部の間で該主支持ロッド(2)に固定され、副支持ロッド(7)の下端部には少なくとも1つのホイール(10)が設けられ、
ホイール(11)は、第一クロスピース(4)を介して主支持ロッド(2)に固定されおよび/またはホイール(10)は第二クロスピース(9)を介して副支持ロッド(7)に固定されていることを特徴とする手押し車。In a wheelbarrow having a frame (1) with wheels (10, 11) and at least one handle (5), the frame (1) comprises:
One main support rod (2) provided with a handle (5) at the upper end and at least one wheel (11) at the lower end;
One sub-support rod (7), the upper end of the sub-support rod (7) is fixed to the main support rod (2) between the outer ends of the main support rod (2), At least one wheel (10) is provided at the lower end of the sub-support rod (7),
The wheel (11) is fixed to the main support rod (2) via the first crosspiece (4) and / or the wheel (10) is connected to the secondary support rod (7) via the second crosspiece (9). A wheelbarrow characterized by being fixed.
上端部にハンドル(5)が設けられかつ下端部に少なくとも1つのホイール(11)が設けられた1つの主支持ロッド(2)と、
1つの副支持ロッド(7)とを有し、該副支持ロッド(7)の上端部は、主支持ロッド(2)の両外端部の間で該主支持ロッド(2)に固定され、副支持ロッド(7)の下端部には少なくとも1つのホイール(10)が設けられ、
ホイール(11)は、第一クロスピース(4)を介して主支持ロッド(2)に固定されおよび/またはホイール(10)は第二クロスピース(9)を介して副支持ロッド(7)に固定されていることを特徴とする手押し車用フレーム。In a wheelbarrow having a frame (1) with wheels (10, 11) and at least one handle (5), the frame (1) comprises:
One main support rod (2) provided with a handle (5) at the upper end and at least one wheel (11) at the lower end;
One auxiliary support rod (7), and the upper end of the auxiliary support rod (7) is fixed to the main support rod (2) between the outer ends of the main support rod (2), At least one wheel (10) is provided at the lower end of the auxiliary support rod (7),
The wheel (11) is fixed to the main support rod (2) via the first crosspiece (4) and / or the wheel (10) is connected to the secondary support rod (7) via the second crosspiece (9). Wheelbarrow frame characterized by being fixed.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NO20015159A NO315230B1 (en) | 2001-10-22 | 2001-10-22 | Trolley |
PCT/NO2002/000382 WO2003035448A1 (en) | 2001-10-22 | 2002-10-22 | Trolley |
Publications (2)
Publication Number | Publication Date |
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JP2005506244A true JP2005506244A (en) | 2005-03-03 |
JP3968080B2 JP3968080B2 (en) | 2007-08-29 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2003537976A Expired - Lifetime JP3968080B2 (en) | 2001-10-22 | 2002-10-22 | Wheelbarrow |
Country Status (25)
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US (2) | US20060001226A1 (en) |
EP (1) | EP1438222B1 (en) |
JP (1) | JP3968080B2 (en) |
KR (1) | KR100661027B1 (en) |
CN (1) | CN100546859C (en) |
AT (1) | ATE389573T1 (en) |
AU (1) | AU2002335593B2 (en) |
BR (1) | BR0212978B1 (en) |
CA (1) | CA2458748C (en) |
CY (1) | CY1108153T1 (en) |
DE (1) | DE60225707T2 (en) |
DK (1) | DK1438222T3 (en) |
ES (1) | ES2300477T3 (en) |
HK (1) | HK1070336A1 (en) |
HR (1) | HRP20040478B1 (en) |
HU (1) | HU227104B1 (en) |
IS (1) | IS2653B (en) |
ME (1) | ME00221B (en) |
MX (1) | MXPA04003667A (en) |
NO (1) | NO315230B1 (en) |
PL (1) | PL202718B1 (en) |
PT (1) | PT1438222E (en) |
RS (1) | RS50881B (en) |
RU (1) | RU2296074C2 (en) |
WO (1) | WO2003035448A1 (en) |
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